Quick Definition
οὐαί Ij. & n.indcl. woe!, alas!
Strong's Definition
a primary exclamation of grief; "woe"
KJV Usage: alas, woe
UBS Dictionary of the Greek New Testament
intj.
22.9 · Trouble, Hardship, Relief, Favorable Circumstances · Trouble, Hardship, Distress
disaster, horror a state of intense hardship or distress In some languages there may not be a noun for ‘disaster,’ but one can express the meaning of the Greek term οὐαί as ‘how greatly one will suffer’ or ‘what terrible pain will come to one.’
MAT 11:21 · MAT 11:21 · MAT 18:7 · MAT 18:7 · MAT 23:13 · MAT 23:15 · MAT 23:16 · MAT 23:23 · MAT 23:25 · MAT 23:27 · MAT 23:29 · MAT 24:19 · MAT 26:24 · MRK 13:17 · MRK 14:21 · LUK 6:24 · LUK 6:25 · LUK 6:25 · LUK 6:26 · LUK 10:13 · LUK 10:13 · LUK 11:42 · LUK 11:43 · LUK 11:44 · LUK 11:46 · LUK 11:47 · LUK 11:52 · LUK 17:1 · LUK 21:23 · LUK 22:22 · 1CO 9:16 · JUD 1:11 · REV 8:13 · REV 8:13 · REV 8:13 · REV 9:12 · REV 9:12 · REV 11:14 · REV 11:14 · REV 12:12 · REV 18:10 · REV 18:10 · REV 18:16 · REV 18:16 · REV 18:19 · REV 18:19
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Mounce Concise Greek Dictionary
οὐαί ouai 46x
Wo! Alas! Mt. 11:21; 18:7; 23:13, 14, 15, 16; ἡ οὐαί, subst., a woe, calamity, Rev. 9:12; 11:14
Abbott-Smith Greek Lexicon
† οὐαί, interj. of grief or denunciation,
[in LXX for הוֹי, אוֹי etc.;]
alas! woe! most freq. c. dat. pers.. Mt 11:21 23:14, Mk 13:17 14:21, Lk 6:24-26, Ju 11, al.; c. vocat. (nom.), Re 18:10, 16, 19 (cf. Is 1:24, al.); c. acc., Re 12:12, seq. ἐκ, 8:13; c. dat. seq. ἀπό (v. M, Pr., 246), Mt 18:7. As subst., I Co 9:16 (cf. Je 6:4); ἡ οὐ., Re 9:12 11:14; pl., Re 9:12; οὐ., οὐ., οὐ., Re 8:13.
Liddell-Scott-Jones — Greek-English Lexicon
οὐαί (ouai) — woe!. οὐαί, exclamation of pain and anger, ah! woe! with nominative, [LXX], woe is me! woe to thee![LXX+2nd c.AD+]
II. οὐαί· φυλαί [Refs 5th c.AD+]